It would be nice to have a rough timetable and what to expect to be developed in each version.
And when each version is completed you can have a more granular changelog (history).
So you have like
version 0.2 - released on dd-mm-yyyy
version 0.3 - planned around mm-yyyy
This document I think should also be linked on the main page for easy access.
Perhaps this is already done and I'm just too lazy/blind to find it ;)